Can puncturing and sealing device



.I. .A. SCOTT.

CAN PUNCTURING AND SEALING DEVICE.

APPLlCATlON FILED AUG.Z, I919.

Patented Mar. 8, 192-1.

- [nz/eiziar J. i 600% y UNITED STATES JOHN A. SCOTT, OF ST. LOUIS,MISSOURI.

CAN PUNCTURING AND SEALING DEVICE.

Specification of Letters Patent.

Patented Mar. 8, 1921.

Application filed August 2, 1919. Serial No. 315,017.

To all whom it may concern:

Be it known that I, JOHN A. Soon, a citizen of the United States,residing at the city of St. Louis, State of Missouri, have invented acertain new and useful Improvement in Can Puncturing and SealingDevices, of which the following is a full, clear, and exact description,such as will enable others skilled in the art to which it appertains tomake and use the same, reference being had to the accompanying drawings,forming part of this specification.

My invention relates to new and useful can puncturing devices,andpartlcularly to a device utilized for puncturing and sealing cansthat serve as containers for liquid products such as milk, syrup, paintand the like; the principal object of my invention being to provide arelatively simple one piece device which can be easily and quicklyinserted through the walls of a can, or like container, and which devicecan be readily manipulated so as to uncover and close the openingthrough wh ch the liquid contents of the can are discharged.

lVith the foregoing and other objects in view, my invention consists incertain novel features of construction and arrangement of partshereinafter more fully described and claimed, and illustrated in theaccompanying drawings, in which Figure l is a perspective vlew of thecan puncturing and sealing device of my improved construction.

Fig. 2 is a vertical section taken through the upper portion of a canshowing my im- .proved device inserted through one of the walls or oneside thereof.

Fig. 3 is a sectional view similar to Fig. 2, showing the deviceinserted through oppositely disposed walls of the can or container.

Referring by numerals to the accompanying drawings, which illustrate apractical embodiment of my invention, 10 designates the main bodyportion of the device, which is preferably constructed of metal and inthe form of an elongated cylindrical shank. One end of this shank ispointed, as designated by 11, and the opposite end is provided with anintegrally formed plate or arm 12 that extends a substantial distancelaterally from the axis of the shank. A portion of the shank 10immediately adjacent to the plate or arm'12 is tapered so that itgradually increases in diameter toward said arm or plate 12, and thistapered portion is externally threaded, as designated by 13. The threadformed on thistapered portion is preferably of the quick acting type,that is, it has a rather sharp pitch, so that in operation it willeffect a substantially lengthwise movement of the device with arelatively small rotary movement.

To use my improved device, the pointed end 11 of the shank isapplied tothe outer face of one of the walls of the can or container and byapplying pressure to the plate or arm 12, said pointed end will beforced through the wall of the can, and by continuing the pressure uponthe outer end of the device, the shank will be forced entirely throughthe can until the pointed end 11 bears upon the inner surface of theopposite wall of the can. When so positioned, the inner end of thethreaded portion of the shank lies immediately adjacent to the wall ofthe can or container through which the pointed end of the device wasfirst inserted, and the operator may now either apply sufficientpressure to the plate 12 to cause the polnted end of the shank topuncture the opposite wall, or by simultaneously rotating the device andapplying inward pressure thereto, in which event the thread 13 willcooperate with the wall of the can around the first opening and thusexert force to cause the pointed end of said device to pass throughtheopposite wall of the can. Thus an opening is provided through which thecontents of the can may be discharged when the latter is tilted orturned on its side.

To unseal this opening and effect a discharge of all, or a portion ofthe contents of the can, the plate or arm 12 is engaged and turned so asto unscrew the threaded portions 13 of the device from the wall of thecan in which it is seated, such action retracting or withdrawing thepointed end of the device from the outlet opening, thereby permittingthe passage of the contents of the can through said opening.

To effectually seal the can, it is only necessary to rotate the deviceby engaging the plate or arm 12 so as to screw the threaded portion 13into the wall with which it is engaged, and such action positions thepointed end 11 of the device in the discharge opening (see Fig. 3). Itwill be understood that the arm or plate 12 performs the functions of acrank arm to rotate the device while it is being screwed into or out ofthe can, and such crank arm' is effective in obtaining increasedleverage for effecting the rotary movement.

A can puncturing and sealing device of my improved construction iscomparatively simple, can be easily and cheaply manufactured, and isvery effective in performing its intended functions.

- It will be readily understood that minor changes in the size, form andconstruction of the various parts of my improved can puncturing andsealing device may be made and substituted for those herein shown anddescribed, without departing from the spirit of my invention, the scopeof which is set forth in the appended claims.

I claim:

1. A can puncturing and sealing device comprising a straight smooth bodyportion, one end of which terminates in a smooth taper-ed point, theopposite end of said body portion being screw-threaded, and meanssecured to the threaded end of said body portion for manipulating thesame when it is inserted into a can.

2. A can puncturing and sealing device comprising a shank having astraight smooth body portion, one end of which terminates in a smoothtapered point, the other end of said shank being screw-threaded, and anarm projecting laterally from the screw-threaded end of the shank.

In testimony whereof I hereunto aflix my signature this 26th day ofJuly, 1919.

' JOHN A. SCOTT.

